Caluromysiops irrupta Sanborn 1951
Caluromysiops irrupta Sanborn 1951, Fieldiana Zool., 31: 474.
Type Locality: Perú, Cuzco, "Quincemil, Province of Quispicanchis." .
Vernacular Names: Black-shouldered Opossum.
Distribution: SE Colombia, SE Perú, and W Brazil.
Conservation: IUCN – Vulnerable.
Discussion: Uncommon to rare; see review by Izor and Pine (1987).